Income Taxes	9 Months Ended
Sep. 27, 2015
Income Tax Disclosure [Abstract]
Income Taxes	8. Income Taxes The Company’s effective tax rate for the thirteen weeks ended September 27, 2015 and September 28, 2014 was 37.1% and 38.9%, respectively. The primary reasons for the decrease in the effective tax rate were an increase in the enhanced deduction for charitable donations of food inventory and a decrease in the effective state income tax rate. The Company’s effective tax rate for the thirty-nine weeks ended September 27, 2015 and September 28, 2014 was 37.8% and 38.9%, respectively. The primary reasons for the decrease in the effective tax rate were an increase in the enhanced deduction for charitable donations of food inventory and a decrease in the effective state income tax rate. Excess tax benefits associated with stock option exercises and vested restricted stock units are credited to stockholders’ equity. The Company uses the tax law ordering approach of intraperiod allocation to allocate the benefit of windfall tax benefits based on provisions in the tax law that identify the sequence in which those amounts are utilized for tax purposes. The income tax benefits resulting from stock awards that were credited to stockholders’ equity were $19.6 million for the thirty-nine weeks ended September 27, 2015, which included $0.1 million of income tax benefits related to stock award activity prior to 2015. The excess tax benefits are not credited to stockholders’ equity until the deduction reduces income taxes payable.

Income Taxes

9 Months Ended

Sep. 27, 2015

8. Income Taxes

The Company’s effective tax rate for the thirteen weeks ended September 27, 2015 and September 28, 2014 was 37.1% and 38.9%, respectively. The primary reasons for the decrease in the effective tax rate were an increase in the enhanced deduction for charitable donations of food inventory and a decrease in the effective state income tax rate.

The Company’s effective tax rate for the thirty-nine weeks ended September 27, 2015 and September 28, 2014 was 37.8% and 38.9%, respectively. The primary reasons for the decrease in the effective tax rate were an increase in the enhanced deduction for charitable donations of food inventory and a decrease in the effective state income tax rate.

Excess tax benefits associated with stock option exercises and vested restricted stock units are credited to stockholders’ equity. The Company uses the tax law ordering approach of intraperiod allocation to allocate the benefit of windfall tax benefits based on provisions in the tax law that identify the sequence in which those amounts are utilized for tax purposes. The income tax benefits resulting from stock awards that were credited to stockholders’ equity were $19.6 million for the thirty-nine weeks ended September 27, 2015, which included $0.1 million of income tax benefits related to stock award activity prior to 2015. The excess tax benefits are not credited to stockholders’ equity until the deduction reduces income taxes payable.